If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4k2 + -4k + -7 = 0 Reorder the terms: -7 + -4k + 4k2 = 0 Solving -7 + -4k + 4k2 = 0 Solving for variable 'k'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -1.75 + -1k + k2 = 0 Move the constant term to the right: Add '1.75' to each side of the equation. -1.75 + -1k + 1.75 + k2 = 0 + 1.75 Reorder the terms: -1.75 + 1.75 + -1k + k2 = 0 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + -1k + k2 = 0 + 1.75 -1k + k2 = 0 + 1.75 Combine like terms: 0 + 1.75 = 1.75 -1k + k2 = 1.75 The k term is -1k. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1k + 0.25 + k2 = 1.75 + 0.25 Reorder the terms: 0.25 + -1k + k2 = 1.75 + 0.25 Combine like terms: 1.75 + 0.25 = 2 0.25 + -1k + k2 = 2 Factor a perfect square on the left side: (k + -0.5)(k + -0.5) = 2 Calculate the square root of the right side: 1.414213562 Break this problem into two subproblems by setting (k + -0.5) equal to 1.414213562 and -1.414213562.Subproblem 1
k + -0.5 = 1.414213562 Simplifying k + -0.5 = 1.414213562 Reorder the terms: -0.5 + k = 1.414213562 Solving -0.5 + k = 1.414213562 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + k = 1.414213562 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + k = 1.414213562 + 0.5 k = 1.414213562 + 0.5 Combine like terms: 1.414213562 + 0.5 = 1.914213562 k = 1.914213562 Simplifying k = 1.914213562Subproblem 2
k + -0.5 = -1.414213562 Simplifying k + -0.5 = -1.414213562 Reorder the terms: -0.5 + k = -1.414213562 Solving -0.5 + k = -1.414213562 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + k = -1.414213562 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + k = -1.414213562 + 0.5 k = -1.414213562 + 0.5 Combine like terms: -1.414213562 + 0.5 = -0.914213562 k = -0.914213562 Simplifying k = -0.914213562Solution
The solution to the problem is based on the solutions from the subproblems. k = {1.914213562, -0.914213562}
| w+48=-18 | | 8x-(3x-(2x-(5x-(7x-1))))=8x+7 | | X=8/9-7y/9 | | x+x+y=20 | | f(-23)=-4(-23)+7 | | 7k-21=3k+5 | | (4x-1)(9x-2)= | | (9(x+5)-16)-(2(x-1)+7)= | | 23x=18 | | 3/5k-7/10=1/2 | | 8=-2/3w | | -5y+7(4y-3)=-2+7(9-y) | | r(r+6)=0 | | 2(10)-20=2 | | x^4-4*x^3+10=0 | | 3x-2(4x-1)= | | 5x-2(-13/26)=4 | | (2x-20)=2 | | (r-5)(r-18)=0 | | y-8(y-7)=(-9y+2)-7 | | n=4+(n-4) | | -500=-20(-5b) | | 84/30-35/30 | | q^2=6000-p | | -17/6=5/3p | | 8x+((1.5x)*2)=500 | | x^2=6000-y | | -26+m=24 | | 5/8x=-15/12 | | 4x-(x+2)*(x+2)=(1-x)*(1+x)-5 | | -500=-20 | | -13=14-9y |